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Proceedings of the National Academy of Sciences of the United States of America, volume 119, issue 39

Transition metal dichalcogenide nanospheres for high-refractive-index nanophotonics and biomedical theranostics

Tselikov Gleb I. 1, 2
Ermolaev Georgy A. 1, 2
Tikhonowski Gleb V. 3
Panova Daria A 2
Taradin Alexey S 2
Vyshnevyy Andrey A. 1, 2
Syuy Alexander V. 1, 2
Klimentov Sergey M 3
Novikov Sergey M 2
Evlyukhin Andrey B 4
Arsenin Aleksey V. 1, 2
Novoselov K. S. 6, 7, 8
Volkov Valentyn S. 1, 2
Publication typeJournal Article
Publication date2022-09-19
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor11.1
ISSN00278424, 10916490
Multidisciplinary
Abstract

Recent developments in the area of resonant dielectric nanostructures have created attractive opportunities for concentrating and manipulating light at the nanoscale and the establishment of the new exciting field of all-dielectric nanophotonics. Transition metal dichalcogenides (TMDCs) with nanopatterned surfaces are especially promising for these tasks. Still, the fabrication of these structures requires sophisticated lithographic processes, drastically complicating application prospects. To bridge this gap and broaden the application scope of TMDC nanomaterials, we report here femtosecond laser-ablative fabrication of water-dispersed spherical TMDC (MoS 2 and WS 2 ) nanoparticles (NPs) of variable size (5 to 250 nm). Such NPs demonstrate exciting optical and electronic properties inherited from TMDC crystals, due to preserved crystalline structure, which offers a unique combination of pronounced excitonic response and high refractive index value, making possible a strong concentration of electromagnetic field in the NPs. Furthermore, such NPs offer additional tunability due to hybridization between the Mie and excitonic resonances. Such properties bring to life a number of nontrivial effects, including enhanced photoabsorption and photothermal conversion. As an illustration, we demonstrate that the NPs exhibit a very strong photothermal response, much exceeding that of conventional dielectric nanoresonators based on Si. Being in a mobile colloidal state and exhibiting superior optical properties compared to other dielectric resonant structures, the synthesized TMDC NPs offer opportunities for the development of next-generation nanophotonic and nanotheranostic platforms, including photothermal therapy and multimodal bioimaging.

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Tselikov G. I. et al. Transition metal dichalcogenide nanospheres for high-refractive-index nanophotonics and biomedical theranostics // Proceedings of the National Academy of Sciences of the United States of America. 2022. Vol. 119. No. 39.
GOST all authors (up to 50) Copy
Tselikov G. I., Ermolaev G. A., Popov A. A., Tikhonowski G. V., Panova D. A., Taradin A. S., Vyshnevyy A. A., Syuy A. V., Klimentov S. M., Novikov S. M., Evlyukhin A. B., Kabashin A. V., Arsenin A. V., Novoselov K. S., Volkov V. S. Transition metal dichalcogenide nanospheres for high-refractive-index nanophotonics and biomedical theranostics // Proceedings of the National Academy of Sciences of the United States of America. 2022. Vol. 119. No. 39.
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RIS Copy
TY - JOUR
DO - 10.1073/pnas.2208830119
UR - https://doi.org/10.1073%2Fpnas.2208830119
TI - Transition metal dichalcogenide nanospheres for high-refractive-index nanophotonics and biomedical theranostics
T2 - Proceedings of the National Academy of Sciences of the United States of America
AU - Tselikov, Gleb I.
AU - Ermolaev, Georgy A.
AU - Popov, Anton A.
AU - Tikhonowski, Gleb V.
AU - Panova, Daria A
AU - Taradin, Alexey S
AU - Vyshnevyy, Andrey A.
AU - Syuy, Alexander V.
AU - Klimentov, Sergey M
AU - Novikov, Sergey M
AU - Evlyukhin, Andrey B
AU - Kabashin, Andrei V.
AU - Arsenin, Aleksey V.
AU - Novoselov, K. S.
AU - Volkov, Valentyn S.
PY - 2022
DA - 2022/09/19 00:00:00
PB - Proceedings of the National Academy of Sciences (PNAS)
IS - 39
VL - 119
PMID - 36122203
SN - 0027-8424
SN - 1091-6490
ER -
BibTex
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BibTex Copy
@article{2022_Tselikov,
author = {Gleb I. Tselikov and Georgy A. Ermolaev and Anton A. Popov and Gleb V. Tikhonowski and Daria A Panova and Alexey S Taradin and Andrey A. Vyshnevyy and Alexander V. Syuy and Sergey M Klimentov and Sergey M Novikov and Andrey B Evlyukhin and Andrei V. Kabashin and Aleksey V. Arsenin and K. S. Novoselov and Valentyn S. Volkov},
title = {Transition metal dichalcogenide nanospheres for high-refractive-index nanophotonics and biomedical theranostics},
journal = {Proceedings of the National Academy of Sciences of the United States of America},
year = {2022},
volume = {119},
publisher = {Proceedings of the National Academy of Sciences (PNAS)},
month = {sep},
url = {https://doi.org/10.1073%2Fpnas.2208830119},
number = {39},
doi = {10.1073/pnas.2208830119}
}
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